US3052684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-aryl-4-alkanoyloxy-n-cyano substituted piperidines
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1960-11-10
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Granted: 1962-09-04
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Adickes Franz
- 👤 Zeile Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:05
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D211/74; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SUBSTITUTED PIPERIDINES HAVING A STRUCTURAL FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SUBSTITUTED PIPERIDINES HAVING A STRUCTURAL FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |